diff --git a/.ruby-version b/.ruby-version
index 4a85a55..fefb2b7 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.3.1
+ruby-3.3.3
diff --git a/Dockerfile b/Dockerfile
index 74c54f1..eba01ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.3.1
+ARG RUBY_VERSION=3.3.3
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
 
 # Rails app lives here
diff --git a/Gemfile.lock b/Gemfile.lock
index be52154..1a3422c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -348,7 +348,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.3.1p55
+   ruby 3.3.3p89
 
 BUNDLED WITH
    2.5.3